Components and supplies
ESP8266 ESP-01
Arduino UNO
Project description
Code
iot_wifi
c_cpp
1// Simple IoT using ESP8266 and your website 2// for more inf see moty22.co.uk 3 4#include <SoftwareSerial.h> 5SoftwareSerial wifi(6, 5); // RX, TX for ESP8266 6 7 8 int analog=0, i=0; 9 String msg, host, d1; 10 11const int str_len = 100; 12char str_data[str_len]; 13const char end_c = '*', start_c = '%'; //marking the data part of the website reply 14 15void setup() 16{ 17 18 pinMode(7,OUTPUT); 19 pinMode(3,INPUT_PULLUP); 20 wifi.begin(9600); //software serial 21 Serial.begin(9600); 22 // wifi.listen(); 23 24 wifi.println("AT+RST"); //reset wifi 25 delay(2000); 26 wifi.println("AT+CWMODE=1"); //station mode 27 delay(1000); 28 //connect to AP, ADD YOUR ROUTER SSID and PASSWORD 29 wifi.println("AT+CWJAP=\\"SSID\\",\\"PASSWORD\\""); 30 delay(10000); 31 32} 33 34void loop() 35{ 36 ++i; 37 if(i=2000){ 38 analog = analogRead(A0); 39 if(digitalRead(3)) {d1 = "OFF";} else {d1 = "ON";} 40 41 //GET request of a website page a31.php 42 msg = "GET /a31.php?v1=" + String(highByte(analog)) + "&v2=" + String(lowByte(analog)) + "&v3=" + d1 + " HTTP/1.1"; 43 host = "HOST: moty22.co.uk"; //change to your website address 44 45 wifi.println("AT+CIPSTART=\\"TCP\\",\\"moty22.co.uk\\",80"); //change to your website address 46 delay(1000); 47 wifi.println("AT+CIPSEND=" + String(msg.length() + host.length() + 6)); 48 delay(1000); 49 50 wifi.println(msg); 51 wifi.println(host); 52 wifi.println(""); 53 i=0; 54 } 55 //get reply from website 56 get_str(); 57 Serial.println(str_data); 58 if(find(str_data,"output=ON")){digitalWrite(7, HIGH); Serial.println("output=ON");} 59 if(find(str_data,"output=OFF")){digitalWrite(7, LOW); Serial.println("output=OFF");} 60 delay(10000); 61 62} 63 64boolean find(String string, String toFind){ 65 if(string.indexOf(toFind)>=0) return true; 66 67 return false; 68} 69 70void get_str(){ 71 int i = 0; 72 bool begin_str=0; 73 74 char c = read_c(); 75 while(c != end_c){ 76 if(i >= str_len) break; 77 if(c == start_c) { begin_str=1;} 78 if (begin_str) { 79 str_data[i] = c; 80 i++; 81 } 82 c = read_c(); 83 84 } 85 str_data[i] = '\\0'; 86} 87 88char read_c(){ 89 while(!wifi.available()); 90 return wifi.read(); 91} 92
iot_wifi
c_cpp
1// Simple IoT using ESP8266 and your website 2// for more inf see moty22.co.uk 3 4#include 5 <SoftwareSerial.h> 6SoftwareSerial wifi(6, 5); // RX, TX for ESP8266 7 8 9 10 int analog=0, i=0; 11 String msg, host, d1; 12 13const int str_len 14 = 100; 15char str_data[str_len]; 16const char end_c = '*', start_c = '%'; //marking 17 the data part of the website reply 18 19void setup() 20{ 21 22 pinMode(7,OUTPUT); 23 24 pinMode(3,INPUT_PULLUP); 25 wifi.begin(9600); //software serial 26 Serial.begin(9600); 27 28 // wifi.listen(); 29 30 wifi.println("AT+RST"); //reset wifi 31 delay(2000); 32 33 wifi.println("AT+CWMODE=1"); //station mode 34 delay(1000); 35 //connect 36 to AP, ADD YOUR ROUTER SSID and PASSWORD 37 wifi.println("AT+CWJAP=\\"SSID\\",\\"PASSWORD\\""); 38 39 delay(10000); 40 41} 42 43void loop() 44{ 45 ++i; 46 if(i=2000){ 47 48 analog = analogRead(A0); 49 if(digitalRead(3)) {d1 = "OFF";} else 50 {d1 = "ON";} 51 52 //GET request of a website page a31.php 53 msg 54 = "GET /a31.php?v1=" + String(highByte(analog)) + "&v2=" + String(lowByte(analog)) 55 + "&v3=" + d1 + " HTTP/1.1"; 56 host = "HOST: moty22.co.uk"; //change 57 to your website address 58 59 wifi.println("AT+CIPSTART=\\"TCP\\",\\"moty22.co.uk\\",80"); 60 //change to your website address 61 delay(1000); 62 wifi.println("AT+CIPSEND=" 63 + String(msg.length() + host.length() + 6)); 64 delay(1000); 65 66 wifi.println(msg); 67 68 wifi.println(host); 69 wifi.println(""); 70 i=0; 71 } 72 //get 73 reply from website 74 get_str(); 75 Serial.println(str_data); 76 if(find(str_data,"output=ON")){digitalWrite(7, 77 HIGH); Serial.println("output=ON");} 78 if(find(str_data,"output=OFF")){digitalWrite(7, 79 LOW); Serial.println("output=OFF");} 80 delay(10000); 81 82} 83 84boolean 85 find(String string, String toFind){ 86 if(string.indexOf(toFind)>=0) return true; 87 88 89 return false; 90} 91 92void get_str(){ 93 int i = 0; 94 bool begin_str=0; 95 96 97 char c = read_c(); 98 while(c != end_c){ 99 if(i >= str_len) break; 100 101 if(c == start_c) { begin_str=1;} 102 if (begin_str) { 103 str_data[i] 104 = c; 105 i++; 106 } 107 c = read_c(); 108 109 } 110 str_data[i] 111 = '\\0'; 112} 113 114char read_c(){ 115 while(!wifi.available()); 116 return wifi.read(); 117} 118
Downloadable files
wifi_iot
wifi_iot
Comments
Only logged in users can leave comments
moty
5 Followers
•15 Projects
1
0